Air compressor



FIG. 1 is a top, front and right side perspective view of an air compressor showing our new design;

FIG. 2 is a top, front and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line representations of holes and fitting in FIGS. 1-8, and of interior structure in FIGS. 1, 4 and 6, are for purposes of illustration only, and form no part of the claimed design. 

The ornamental design for an air compressor, as shown and described. 